Home / 734,450.20-1,101,869.70-261,086.20

Finding the Fourth Proportional to 734,450.20, 1,101,869.70 and 261,086.20

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Solution

The fourth proportional to 734,450.20, 1,101,869.70 and 261,086.20 is: 391,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,450.20 : 1,101,869.70 = 261,086.20 : x
  2. Step 2: Convert to fraction form
    734,450.20/1,101,869.70 = 261,086.20/x
  3. Step 3: Cross multiply
    734,450.20x = 1,101,869.70 × 261,086.20
  4. Step 4: Simplify right side
    734,450.20x = 287,682,972,868.14
  5. Step 5: Solve for x
    x = 287,682,972,868.14/734,450.20
  6. Step 6: Final answer
    x = 391,698.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.